unwind.test 7.49 KB
# RUN: yaml2obj < %s > %t.obj
#
# RUN: lld-link /out:%t.exe /entry:main %t.obj
# RUN: llvm-readobj --file-headers %t.exe | FileCheck -check-prefix=HEADER %s
# RUN: llvm-objdump -unwind-info %t.exe | FileCheck -check-prefix=UNWIND %s
#
# RUN: lld-link /merge:.pdata=.rdata /out:%t.exe /entry:main %t.obj
# RUN: llvm-readobj --file-headers --sections %t.exe | FileCheck -check-prefix=HEADER-MERGE %s
#
# HEADER: ExceptionTableRVA: 0x3000
#
# FIXME: llvm-readobj currently does not understand files with .pdata merged
# into .rdata. But we can at least check that the section headers look correct.
#
# HEADER-MERGE: ExceptionTableRVA: 0x2004
# HEADER-MERGE-NEXT: ExceptionTableSize: 0x30
# HEADER-MERGE: Name: .rdata
# HEADER-MERGE-NEXT: VirtualSize: 0x78
# HEADER-MERGE-NEXT: VirtualAddress: 0x2000
#
# UNWIND: Function Table:
# UNWIND:   Start Address: 0x1000
# UNWIND:   End Address: 0x101b
# UNWIND:   Unwind Info Address: 0x2004
# UNWIND:     Version: 1
# UNWIND:     Flags: 1 UNW_ExceptionHandler
# UNWIND:     Size of prolog: 18
# UNWIND:     Number of Codes: 8
# UNWIND:     Frame register: RBX
# UNWIND:     Frame offset: 0
# UNWIND:     Unwind Codes:
# UNWIND:       0x12: UOP_SetFPReg
# UNWIND:       0x0f: UOP_PushNonVol RBX
# UNWIND:       0x0e: UOP_SaveXMM128 XMM8 [0x0000]
# UNWIND:       0x09: UOP_SaveNonVol RSI [0x0010]
# UNWIND:       0x04: UOP_AllocSmall 24
# UNWIND:       0x00: UOP_PushMachFrame w/o error code
# UNWIND: Function Table:
# UNWIND:   Start Address: 0x1012
# UNWIND:   End Address: 0x1012
# UNWIND:   Unwind Info Address: 0x2020
# UNWIND:     Version: 1
# UNWIND:     Flags: 4 UNW_ChainInfo
# UNWIND:     Size of prolog: 0
# UNWIND:     Number of Codes: 0
# UNWIND:     No frame pointer used
# UNWIND: Function Table:
# UNWIND:   Start Address: 0x101b
# UNWIND:   End Address: 0x101c
# UNWIND:   Unwind Info Address: 0x2030
# UNWIND:     Version: 1
# UNWIND:     Flags: 0
# UNWIND:     Size of prolog: 0
# UNWIND:     Number of Codes: 0
# UNWIND:     No frame pointer used
# UNWIND: Function Table:
# UNWIND:   Start Address: 0x101c
# UNWIND:   End Address: 0x1039
# UNWIND:   Unwind Info Address: 0x2038
# UNWIND:     Version: 1
# UNWIND:     Flags: 0
# UNWIND:     Size of prolog: 14
# UNWIND:     Number of Codes: 6
# UNWIND:     No frame pointer used
# UNWIND:     Unwind Codes:
# UNWIND:       0x0e: UOP_AllocLarge 8454128
# UNWIND:       0x07: UOP_AllocLarge 8190
# UNWIND:       0x00: UOP_PushMachFrame w/o error code

--- !COFF
header:
  Machine:         IMAGE_FILE_MACHINE_AMD64
  Characteristics: [  ]
sections:
  - Name:            .text
    Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
    Alignment:       4
    SectionData:     4883EC184889742410440F110424534889E3488D235B4883C418C3C34881ECF0FF00004881ECF0FF80004881C4F0FF80004881C4F0FF0000C3
  - Name:            .xdata
    Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
    Alignment:       4
    SectionData:     0912080312030F300E880000096402000422001A000000000000000021000000000000001B000000000000000100000000000000010E06000E11F0FF80000701FE1F001A
    Relocations:
      - VirtualAddress:  20
        SymbolName:      __C_specific_handler
        Type:            IMAGE_REL_AMD64_ADDR32NB
      - VirtualAddress:  32
        SymbolName:      func
        Type:            IMAGE_REL_AMD64_ADDR32NB
      - VirtualAddress:  36
        SymbolName:      func
        Type:            IMAGE_REL_AMD64_ADDR32NB
      - VirtualAddress:  40
        SymbolName:      .xdata
        Type:            IMAGE_REL_AMD64_ADDR32NB
  - Name:            .pdata
    Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
    Alignment:       4
    SectionData:     000000001B0000000000000012000000120000001C00000000000000010000002C000000000000001D00000034000000
    Relocations:
      - VirtualAddress:  0
        SymbolName:      func
        Type:            IMAGE_REL_AMD64_ADDR32NB
      - VirtualAddress:  4
        SymbolName:      func
        Type:            IMAGE_REL_AMD64_ADDR32NB
      - VirtualAddress:  8
        SymbolName:      .xdata
        Type:            IMAGE_REL_AMD64_ADDR32NB
      - VirtualAddress:  12
        SymbolName:      func
        Type:            IMAGE_REL_AMD64_ADDR32NB
      - VirtualAddress:  16
        SymbolName:      func
        Type:            IMAGE_REL_AMD64_ADDR32NB
      - VirtualAddress:  20
        SymbolName:      .xdata
        Type:            IMAGE_REL_AMD64_ADDR32NB
      - VirtualAddress:  24
        SymbolName:      smallFunc
        Type:            IMAGE_REL_AMD64_ADDR32NB
      - VirtualAddress:  28
        SymbolName:      smallFunc
        Type:            IMAGE_REL_AMD64_ADDR32NB
      - VirtualAddress:  32
        SymbolName:      .xdata
        Type:            IMAGE_REL_AMD64_ADDR32NB
      - VirtualAddress:  36
        SymbolName:      allocFunc
        Type:            IMAGE_REL_AMD64_ADDR32NB
      - VirtualAddress:  40
        SymbolName:      allocFunc
        Type:            IMAGE_REL_AMD64_ADDR32NB
      - VirtualAddress:  44
        SymbolName:      .xdata
        Type:            IMAGE_REL_AMD64_ADDR32NB
  - Name:            .rdata
    Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ ]
    Alignment:       4
    SectionData:     00000000
symbols:
  - Name:            .text
    Value:           0
    SectionNumber:   1
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_NULL
    StorageClass:    IMAGE_SYM_CLASS_STATIC
    SectionDefinition:
      Length:          57
      NumberOfRelocations: 0
      NumberOfLinenumbers: 0
      CheckSum:        0
      Number:          1
  - Name:            .xdata
    Value:           0
    SectionNumber:   2
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_NULL
    StorageClass:    IMAGE_SYM_CLASS_STATIC
    SectionDefinition:
      Length:          68
      NumberOfRelocations: 4
      NumberOfLinenumbers: 0
      CheckSum:        0
      Number:          2
  - Name:            .pdata
    Value:           0
    SectionNumber:   3
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_NULL
    StorageClass:    IMAGE_SYM_CLASS_STATIC
    SectionDefinition:
      Length:          48
      NumberOfRelocations: 12
      NumberOfLinenumbers: 0
      CheckSum:        0
      Number:          3
  - Name:            func
    Value:           0
    SectionNumber:   1
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_FUNCTION
    StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
  - Name:            __C_specific_handler
    Value:           0
    SectionNumber:   0
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_NULL
    StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
  - Name:            smallFunc
    Value:           27
    SectionNumber:   1
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_FUNCTION
    StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
  - Name:            allocFunc
    Value:           28
    SectionNumber:   1
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_FUNCTION
    StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
  - Name:            main
    Value:           0
    SectionNumber:   1
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_NULL
    StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
  - Name:            __C_specific_handler
    Value:           0
    SectionNumber:   1
    SimpleType:      IMAGE_SYM_TYPE_NULL
    ComplexType:     IMAGE_SYM_DTYPE_NULL
    StorageClass:    IMAGE_SYM_CLASS_EXTERNAL
...